2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/27764We have studied the damage spreading (defined in the text) in the 'sandpile' model of self organised criticality. We have studied the variations of the critical time (defined in the text) and the total no of sites damaged at critical time as a function of system size. Both shows the power law variation.5 pages Latex (including figures), To appear in Physica ACondensed Mattertext